Description：

    This is a creative linkage ball wrench. Suitable for 250-700 helicopter Model. It fits 8 kinds of diameter (2.0/2.5/3.0/3.5/4.0/4.5/5.0/5.5mm ) of linkage rod. Also applicable to four kinds of width(5.0/7.3/8.3/9.35mm) of linkage ball. It can significantly reduce the time required to assemble or repair. 

Specification:

Ball link wrench×2（33×33×10mm）5.3g